Rob Kazinsky

It was only a matter of time before Duncan Jones entered the blockbuster world. His debut "Moon" managed a huge amount with a fairly slim budget, he stepped up to a bigger canvas effectively with "Source Code," and he's been linked with big projects like "The Wolverine," "Man Of Steel" and "Catching...

If you're cast in a major blockbuster, only to be replaced publicly, it can be hard to get your career back on track again. Stuart Townsend, for instance, shot scenes as Aragorn in "Lord of the Rings," before Peter Jackson decided he was too young, and replaced him with Viggo Mortensen. Townsend's heat remained for a little while -- he was the lead in "Queen of the Damned," and one of "The League of Extraordinary Gentlemen," but, well, we know what happened to those, and Townsend hasn't had much luck in recent years. Dougray Scott, meanwhile, was meant to play Wolverine in Bryan Singer's "X-Men," but had to bow out when "Mission Impossible 2"...